基于nios ii 驱动altera de1开发板上的lcd和ps2鼠标模块工程

基于FPGA与LM4550B的AC97软声卡VHDL语言驱动，版本2.0-FPGA-based soft and LM4550B the AC97 sound card driver VHDL language, version 2.0

收集的关于数字锁相环的理论模型和分析讨论，适用于FPGA的数字电路设计。(Theoretical models and analysis and discussion about digital PLL collected for FPGA-based digital circuit design.)

Opencore的IP Core，有实际合成过，可以用，大家参考-Opencore of the IP Core, there is a practical synthesis that we could use, we refer to see

基于 verilog的卷积运算代码，应用于离散小波分析。(verilog conv)

encoding and decoding of audio signal

用VHDL语言编写的串口通讯模块，可以实现发送和接受功能。-A UART module writen in VHDL.

QFSK的调制与解调，用C写的主程序，汇编写的调制与解调的子程序(QFSK the modulation and demodulation, with the main program in C, compile writing, the modulation and demodulation of the Subprogram)

wm8731的使用，用于音频信号的采集或者产生(wm8731 use for audio signal acquisition or produce)

16QAM调制解调程序画出时域波形、 正交分量、同相分量波形，眼图，散点图等(16QAM modulation and demodulation process to draw time-domain waveform, quadrature components, in-phase component waveforms, eye diagrams, scatter plots, etc.)

基于FPGA的门级逻辑实现快速乘法运算的verilog源程序。-FPGA-based gate-level logic implementation of rapid multiplication of the verilog source.